Karla is a 2006 AmericanCanadian psychological thriller film. The film is based on the true story of Canadas two most notorious serial killers, Paul Bernardo and Karla Homolka, though the names of the victims were changed, with the exception of Karlas sister.
Paul is open with Karla about his crimes, yet Karla does not object to them, even when Paul begins to bring his victims home. Although disturbed at that part of Pauls life, Karla learns to accept it. At Pauls request, Karla hesitantly participates in these assaults. During one such assault, Paul strangles his victim after the girl sees his face. He cuts the body into pieces and seals them in cement blocks, which he then dumps into a lake. On the day of Paul and Karlas wedding, the girls body is discovered. Paul stops raping and abducting for a time, but his anxiety and pentup frustration cause him to become violent toward Karla. Pauls friends see the change in his personality and break off from him. Meanwhile Karla, suffering from the abuse and desperate to reclaim his affections, helps Paul abduct and rape another young girl, Kaitlyn Ross based on Kristen French.Kaitlyns disappearance immediately attracts a storm of media and police attention, so Paul kills Kaitlyn to be rid of her. As part of the investigation, the police arrive at Pauls house. Paul is very cooperative so the police leave satisfied, but, afterwards, he beats Karla mercilessly. Karla takes refuge with friends before reporting the assault. Paul is then booked under domestic violence but is released after only one night in jail. ........
Source: Wikipedia